Solution 12054: Finding the Curl of a Vector Field on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...x] [Y] [x] [Z] [STO►] [ALPHA] [p] [ENTER]. 12) Press [Y] [STO►] [ALPHA] [q] [ENTER]. 13) Press [Z] [STO►] [ALPHA] [r] [ENTER]. Please Note: X*Y*Z is just an example expression. Feel free to use whatever expressions describe the vector field in question. 14) Press [2ND] [ALPHA] [c] [u] [r] [l] [A...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12054
Solution 12048: Changing the Scale of a Graph in The Geometer's Sketchpad® App for the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
... listed below. For TI-89 Family users: • Press [2nd] [F1] to access the F6 menu. Select 4: Show Grid.• Move the arrow to select point (1,0). (1,0) is just an example and any other point can be used, if preferred.• With the arrow on the selected point, press and hold the [ALPHA] key while press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12048
Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... Knowledge Base Knowledge Base Search Why does the limit() function sometimes return unexpected answers in approximate mode on the TI-89 family, TI-92 Family, or Voyage 200 graphing calculators? The limit() function is very sensitive to round off errors in flo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12101
Solution 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
...Basically, the coefficients appear across a row or column (there are variations) and the rest of the matrix is all zeros except for a pattern of ones just off the main diagonal. The property of this matrix is that the characteristic polynomial of the matrix will be the same as the polynomial use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10573: Teacher Support for Australian Educators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What is the contact information for support for educators in Australia? Texas Instruments offers teacher support for Australian educators in a wide variety of ways. Profess...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10573
Solution 10404: Table Feature on the TI-85.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How can I make a table on the TI-85? The TI-85 does not have a built-in table feature. However, this feature can be added through a user-defined program. Te...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10404
Solution 10399: Differential Equation Solver for the TI-85.
...noticeable as a solution plots a number of pixels in "spurts" or during a trace when the calculator pauses to calculate for some time on some pixel jumps. To be more specific, the calculator computes a solution value at each "t" value of (tMin + n*tStep) based on interpolation between the "ad...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 10392: Transferring Programs or Data Between a TI-82 and TI-83.
...However, differences between the two products may affect some transmitted data. The table below shows the commands the TI-83 software automatically adjusts to when received from a TI-82. TI-82 TI-83 nMin PlotStart ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10392
Solution 11743: Algorithm for the dotP() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...™ 200 calculators as an inner product of its arguments. The inner product is defined as followsdotP(vec1, vec2) = vec2' * vec1,where ' denotes the conjugate transpose and * represents standard matrix/vector multiplication. (Note that this definition reduces to the "usual" dot product if vec1 and ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11743
Solution 11968: Integer Division on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...or products Knowledge Base Knowledge Base Search When I divide two integers, how can I get the quotient and remainder instead of a decimal answer or an improper fraction on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The TI-89 famil...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11968
Solution 12106: Verifying a Symbolic Result on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... the factor function. Now, if done by pencil and paper, the user would expect to see a result of: 8x^2*(-2x-3). However, both answers are correct, just displayed differently by the calculator. To check and make sure both answers are equal to each other: • Subtract the result from the expected...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12106
Solution 11402: Starting the Calculus Tools Application on the TI-89 Family.
...lculator products Knowledge Base Knowledge Base Search Where is the Calculus Tools menu and why do I see a normal TI-89 family menu after accessing the App? The Calculus Tools App requires specific mode settings to run correctly. If one of these mode setti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11402
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What are the main differences between the TI-86 and the TI-89 family graphing calculators? The TI-86, being a discontinued calculator, has a number of different...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 10458: Instructions for Installing the TI-92 Plus Module.
...ies that were removed earlier. (Verify correct polarity.) • Verify that the graphing calculator is operating properly. (The contrast may need to be adjusted.) If the calculator does not function, hold down [ON] and remove a battery. Then remove and reinsert the module, making sure it is seated fi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10458
Solution 10939: Calculator Options for Individuals with Visual Impairments or Low Vision.
...ality of the TI-84 Plus family of graphing calculators is now more accessible to the vision-impaired using the TI-84 Plus CE Online Calculator, in conjunction with the JAWS screen reader software for Windows PCs. Users can now experience text-to-speech for many of the popular functions of the TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10939
Solution 10685: Troubleshooting ARITH ERROR on the TI-10 Elementary Calculator.
...c calculators Knowledge Base Knowledge Base Search Why am I getting an "ARITH ERROR" when I divide a whole number by a decimal number on the TI-10? The division MODE setting on the TI-10 can be set to "QR" (quotient remainder) or to "." (decimal). If the TI-10 is in qu...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/10685
Solution 27470: Issues following example Time-Value-of- Money Function in the TI-89 Titanium and Voyage 200 Guidebooks
Solution 27470: Issues following example Time-Value-of- Money Function in the TI-89 Titanium and Voyage 200 Guidebooks Solution 27470: Issues following example Time-Value-of- Money Function in the TI-89 Titanium and Voyage 200 Guidebooks global Solution 27470: Issues following example Tim...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/27470
Solution 15400: Fractions Limitations on the TI-30X IIS/B Scientific Calculators.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How many digits can have the numerator and denominator of a fraction onthe TI-30X IIS? For a simple fraction, the numerator can be up to 6 digits and t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/15400
Solution 20489: Using the Right Arrow Key To Fill in Values When Using Templates on the TI-30XS/B MultiView™ Scientific Calculators.
... Home | Scientific, elementary & basic calculators Knowledge Base Knowledge Base Search How do I enter values for certain math templates on the TI-30XS/B MultiView calculators? The TI-30XS/B MultiView calculators have templates that are used for entering certain math c...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/20489
Solution 16409: Correcting a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator That is Locked Displaying "Busy" for a Prolonged Period of Time.
... Press and hold down the [2ND] key and the left and right arrow keys all at the same time. • Press [ON]. • Release all the keys at the same time. • Adjust the contrast, if necessary. This should reinitialize the operating system, after which the calculator should then be functional again. If the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/16409
Solution 11845: Resolving the Error Message "Illegal Instruction" on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...taneously. If this procedure does not restore the unit, remove a battery and press [ON] for 30 seconds. Replace the battery, turn on the unit, and adjust the contrast. If you require additional assistance please contact TI-Cares. Solution 11845: Resolving the Error Message "Illegal Instruction...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11845
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
...easing [+] key. Repeat a few times. Sometimes the calculator is actually ON but looks like it is not if the contrast is turned all the way down. To adjust or lighten the display, use [-]. Try a fresh new set of AAA batteries, all from the same package. Turn the graphing calculator on and ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 12266: Calculating Powers on the TI-30Xa, TI-30Xa Solar, or TI-36X Solar.
...mple: Raise 5 to the 3rd power. 1) Press the [ON/AC] key to completely clear the calculator. 2) Input [5]. 3) Press the [y to the x] key (located just above the division key). 4) Input [3]. 5) Press [=]. The display will show 125. Please see the scientific calculator guidebooks for addition...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12266
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...ast is turned all the way down. Try a fresh new set of AAA batteries, all from the same package. Turn the graphing calculator on and try to adjust the display contrast if necessary, press and release the [2ND] key followed by pressing and releasing [UP] arrow. To adjust or lighten the dis...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 12282: Changing the Angle Mode Setting on the TI-34 II Explorer Plus™.
...Press either [◄] or [►] to highlight RAD. 3) Press [ENTER]. The calculator is now set to operate in the radian angle mode. To switch back to degrees, just use the same procedure but underline DEG instead. Resetting the calculator will also reset it back to factory default settings. To do this: 1)...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12282